Table 1.
Characteristics of patients with intraductal papillary neoplasms of breasts
| Benign (n = 116) | Atypical (n = 12) | Malignant (n = 32) | P | |
|---|---|---|---|---|
| Age, years | < 0.001 | |||
| Mean ± s.d | 47.74 ± 9.11 | 47.08 ± 10.72 | 57.72 ± 11.35 | |
| Body mass index, kg/m2 | 0.459 | |||
| Mean ± s.d | 23.26 ± 3.18 | 24.45 ± 2.02 | 23.35 ± 3.05 | |
| Symptoms (%) | 0.005* | |||
| Asymptomatic | 61 (52.6) | 7 (58.3) | 17(53.1) | |
| Nipple discharge | 41 (35.3) | 3 (25.0) | 5(15.6) | |
| Palpable lesion | 10 (8.6) | 2 (1.7) | 10(31.3) | |
| Breast pain | 4 (3.4) | 0 (0) | 0 (0) | |
| Lesion location (%) | 0.044* | |||
| Central (< 3 cm from the nipple) | 90 (77.6) | 6 (50.0) | 19 (59.4) | |
| Peripheral (≥ 3 cm from the nipple) | 26 (22.4) | 6 (50.0) | 13 (40.6) | |
Data are given as means ± standard deviations or number of lesions (% of each pathology subgroups). *P-value < 0.05 obtained by analyzing benign vs malignant